This collection of viewable hominin fossil 3D models was produced by the Smithsonian’s Human Origins Program by ... The skulls are different colors because as they fossilized they absorbed minerals ...

These specimens are from the U.S. National Mineral Collection at the Smithsonian’s National Museum of Natural History and show the minerals observed in Bennu samples as formed and found on Earth.

These specimens are from the U.S. National Mineral Collection at the Smithsonian’s National Museum of Natural History and show the minerals observed in Bennu samples as formed and found on Earth.

These specimens are from the U.S. National Mineral Collection at the Smithsonian’s National Museum of Natural History and show the minerals observed in Bennu samples as formed and found on Earth.

This introductory text is pulled from the 1957 Smithsonian Publication "Automobiles and Motorcycles in the U.S. National Museum" written by curator Smith Hempstone Oliver. At present a large number of ...